├── icons
    ├── Dictionary-128.png
    ├── Dictionary-48.png
    ├── Dictionary-64.png
    └── Dictionary-96.png
├── .github
    └── FUNDING.yml
├── README.md
├── manifest.json
├── options
    ├── options.css
    ├── options.html
    └── options.js
├── background
    └── background.js
├── content_scripts
    └── dictionary.js
├── LICENSE
└── common
    └── browser-polyfill.js


/icons/Dictionary-128.png:
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https://raw.githubusercontent.com/meetDeveloper/Dictionary-Anywhere/HEAD/icons/Dictionary-128.png


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/icons/Dictionary-48.png:
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https://raw.githubusercontent.com/meetDeveloper/Dictionary-Anywhere/HEAD/icons/Dictionary-48.png


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/icons/Dictionary-64.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/meetDeveloper/Dictionary-Anywhere/HEAD/icons/Dictionary-64.png


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/icons/Dictionary-96.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/meetDeveloper/Dictionary-Anywhere/HEAD/icons/Dictionary-96.png


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/.github/FUNDING.yml:
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1 | # These are supported funding model platforms
2 | 
3 | open_collective: meetDeveloper
4 | liberapay: meetDeveloper
5 | 


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/README.md:
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 1 | # Dictionary Anywhere
 2 | The **Dictionary Anywhere** extension helps you stay focused on what you are reading by eliminating the need to search for meaning, 
 3 | Double-clicking any word will view its definition in a small pop-up bubble. 
 4 | Now you never have to leave what you are reading to search for the meaning of the words you don't yet know.
 5 | 
 6 | Extension is available for [Google Chrome](https://chrome.google.com/webstore/detail/dictionary-anywhere/hcepmnlphdfefjddkgkblcjkbpbpemac/) and [Mozilla Firefox](https://addons.mozilla.org/en-US/firefox/addon/dictionary-anyvhere).
 7 | 
 8 | ##### Enjoy Reading Uninterrupted!!!
 9 | 
10 | ## Support Me
11 | If you find this Extension helpful, consider supporting me:
12 | 
13 | <a href="https://www.buymeacoffee.com/meetDeveloper"><img src="https://img.buymeacoffee.com/button-api/?text=Buy me a coffee&emoji=&slug=meetDeveloper&button_colour=5F7FFF&font_colour=ffffff&font_family=Inter&outline_colour=000000&coffee_colour=FFDD00"></a>
14 | 


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/manifest.json:
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 1 | {
 2 |   "author": "Suraj Jain",
 3 | 
 4 |   "manifest_version": 2,
 5 |   "name": "Dictionary Anywhere",
 6 |   "version": "1.2.0",
 7 | 
 8 |   "description": "View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble.",
 9 | 
10 |   "icons": {
11 |     "48": "icons/Dictionary-48.png",
12 |     "64": "icons/Dictionary-64.png",
13 |     "96": "icons/Dictionary-96.png",
14 |     "128": "icons/Dictionary-128.png"
15 |   },
16 | 
17 |   "options_ui": {
18 |     "page": "options/options.html",
19 |     "browser_style": true,
20 |     "chrome_style": true
21 |   },
22 | 
23 |   "content_scripts": [
24 |     {
25 |       "matches": ["<all_urls>"],
26 |       "js": [
27 |         "common/browser-polyfill.js",
28 |         "content_scripts/dictionary.js"
29 |       ]
30 |     }
31 |   ],
32 | 
33 |   "background": {
34 |     "scripts": [
35 |       "common/browser-polyfill.js",
36 |       "background/background.js"
37 |     ],
38 |     "persistent": false
39 |   },
40 | 
41 |   "permissions": [
42 |     "storage",
43 |     "https://www.google.com/"
44 |   ]
45 | }
46 | 


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/options/options.css:
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  1 | body {
  2 | 	background-color: #eee
  3 | }
  4 | 
  5 | #content {
  6 | 	background-color: #fff;
  7 | 	border: 1px solid #ccc;
  8 | 	border-radius: 3px;
  9 | 	margin: 40px auto 0;
 10 | 	padding: 20px 40px 30px;
 11 | 	width: 650px
 12 | }
 13 | 
 14 | #title {
 15 | 	color: #333;
 16 | 	font-size: 20px;
 17 | 	margin: 10px 0 0;
 18 | 	text-align: center
 19 | }
 20 | 
 21 | .option-row {
 22 | 	margin-top: 40px
 23 | }
 24 | 
 25 | .option-row:after {
 26 | 	clear: both;
 27 | 	content: "";
 28 | 	display: table
 29 | }
 30 | 
 31 | .option-name {
 32 | 	float: left;
 33 | 	font-weight: bold;
 34 | 	width: 150px
 35 | }
 36 | 
 37 | .option-value {
 38 | 	float: left
 39 | }
 40 | 
 41 | .option-value-primary:not(:first-of-type) {
 42 | 	margin-top: 20px
 43 | }
 44 | 
 45 | .option-value-secondary {
 46 | 	margin: 5px 0 0 40px
 47 | }
 48 | 
 49 | .text-disabled {
 50 | 	opacity: 0.6
 51 | }
 52 | 
 53 | .btn-row {
 54 | 	margin-top: 40px;
 55 | 	height: 30px
 56 | }
 57 | 
 58 | .btn-row .btn {
 59 | 	height: 100%;
 60 | 	padding: 1px 20px;
 61 | 	vertical-align: top
 62 | }
 63 | 
 64 | #save-status {
 65 | 	background-color: #fe3;
 66 | 	display: inline-block;
 67 | 	height: 100%;
 68 | 	line-height: 30px;
 69 | 	margin-left: 20px;
 70 | 	opacity: 0;
 71 | 	padding: 0 10px;
 72 | 	vertical-align: top
 73 | }
 74 | 
 75 | .footer {
 76 | 	margin-top: 10px;
 77 | 	text-align: center
 78 | }
 79 | 
 80 | * {
 81 | 	box-sizing: border-box
 82 | }
 83 | 
 84 | body {
 85 | 	color: #222;
 86 | 	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
 87 | 	font-size: 13px
 88 | }
 89 | 
 90 | a {
 91 | 	color: #11c;
 92 | 	text-decoration: none
 93 | }
 94 | 
 95 | a:hover {
 96 | 	text-decoration: underline
 97 | }
 98 | 
 99 | .btn {
100 | 	border: 1px solid transparent;
101 | 	border-radius: 3px;
102 | 	cursor: pointer;
103 | 	display: inline-block;
104 | 	font-size: 13px;
105 | 	height: 24px;
106 | 	padding: 1px 7px;
107 | 	-webkit-user-select: none
108 | }
109 | 
110 | .btn:hover {
111 | 	background-color: #bbb
112 | }
113 | 
114 | .btn:focus {
115 | 	outline: 0
116 | }
117 | 
118 | .btn:active {
119 | 	outline: 0;
120 | 	box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.15)
121 | }
122 | 
123 | .btn[disabled] {
124 | 	pointer-events: none;
125 | 	cursor: not-allowed;
126 | 	box-shadow: none;
127 | 	opacity: 0.6
128 | }
129 | 
130 | .btn-default {
131 | 	background-color: #eee;
132 | 	border-color: #ccc;
133 | 	color: #222
134 | }
135 | 
136 | .btn-default:hover {
137 | 	background-color: #ddd;
138 | 	border-color: #bbb
139 | }
140 | 
141 | .btn-primary {
142 | 	background-color: #48e;
143 | 	border-color: #37d;
144 | 	color: #fff
145 | }
146 | 
147 | .btn-primary:hover {
148 | 	background-color: #37d;
149 | 	border-color: #26c
150 | }


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/background/background.js:
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 1 | const GOOGLE_SPEECH_URI = 'https://www.google.com/speech-api/v1/synthesize',
 2 | 
 3 |     DEFAULT_HISTORY_SETTING = {
 4 |         enabled: true
 5 |     };
 6 | 
 7 | browser.runtime.onMessage.addListener((request, sender, sendResponse) => {
 8 |     const { word, lang } = request, 
 9 |         url = `https://www.google.com/search?hl=${lang}&q=define+${word}&gl=US`;
10 |     
11 |     fetch(url, { 
12 |             method: 'GET'
13 |         })
14 |         .then((response) => response.text())
15 |         .then((text) => {
16 |             const document = new DOMParser().parseFromString(text, 'text/html'),
17 |                 content = extractMeaning(document, { word, lang });
18 | 
19 |             sendResponse({ content });
20 | 
21 |             content && browser.storage.local.get().then((results) => {
22 |                 let history = results.history || DEFAULT_HISTORY_SETTING;
23 |         
24 |                 history.enabled && saveWord(content)
25 |             });
26 |         })
27 | 
28 |     return true;
29 | });
30 | 
31 | function extractMeaning (document, context) {
32 |     if (!document.querySelector("[data-dobid='hdw']")) { return null; }
33 |     
34 |     var word = document.querySelector("[data-dobid='hdw']").textContent,
35 |         definitionDiv = document.querySelector("div[data-dobid='dfn']"),
36 |         meaning = "";
37 | 
38 |     if (definitionDiv) {
39 |         definitionDiv.querySelectorAll("span").forEach(function(span){
40 |             if(!span.querySelector("sup"))
41 |                  meaning = meaning + span.textContent;
42 |         });
43 |     }
44 | 
45 |     meaning = meaning[0].toUpperCase() + meaning.substring(1);
46 | 
47 |     var audio = document.querySelector("audio[jsname='QInZvb']"),
48 |         source = document.querySelector("audio[jsname='QInZvb'] source"),
49 |         audioSrc = source && source.getAttribute('src');
50 | 
51 |     if (audioSrc) {
52 |         !audioSrc.includes("http") && (audioSrc = audioSrc.replace("//", "https://"));
53 |     }
54 |     else if (audio) {
55 |         let exactWord = word.replace(/·/g, ''), // We do not want syllable seperator to be present.
56 |             
57 |         queryString = new URLSearchParams({
58 |             text: exactWord, 
59 |             enc: 'mpeg', 
60 |             lang: context.lang, 
61 |             speed: '0.4', 
62 |             client: 'lr-language-tts', 
63 |             use_google_only_voices: 1
64 |         }).toString();
65 | 
66 |         audioSrc = `${GOOGLE_SPEECH_URI}?${queryString}`;
67 |     }
68 | 
69 |     return { word: word, meaning: meaning, audioSrc: audioSrc };
70 | };
71 | 
72 | function saveWord (content) {
73 |     let word = content.word,
74 |         meaning = content.meaning,
75 |       
76 |         storageItem = browser.storage.local.get('definitions');
77 | 
78 |         storageItem.then((results) => {
79 |             let definitions = results.definitions || {};
80 | 
81 |             definitions[word] = meaning;
82 |             browser.storage.local.set({
83 |                 definitions
84 |             });
85 |         })
86 | }


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/options/options.html:
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 1 | 
 2 | <!DOCTYPE html>
 3 | <html>
 4 |   <head>
 5 |     <title>Dictionary Anywhere - Extension Options</title>
 6 |     <link rel="stylesheet" type="text/css" href="./options.css">
 7 |   </head>
 8 |   <body>
 9 |     <div id="content">
10 |       <div id="title">
11 |         <div>Extension Options</div>
12 |       </div>
13 |       <form name="options-form" action="">
14 |         <div class="option-row">
15 |           <div class="option-name">My language:</div>
16 |           <div class="option-value">
17 |             <div class="option-value-primary">
18 |               <select id="language-selector">
19 |                 <option value="en">English (US)</option>
20 |                 <option value="fr">French</option>
21 |                 <option value="de">German</option>
22 |                 <option value="es">Spanish</option>
23 |               </select>
24 |             </div>
25 |           </div>
26 |         </div>
27 |         <div class="option-row">
28 |           <div class="option-name">Pop-up definitions:</div>
29 |           <div class="option-value">
30 |             <div class="option-value-primary">
31 |               <label for="popup-dblclick-checkbox">
32 |                 Display pop-up when I double-click a word
33 |               </label>
34 |             </div>
35 |             <div class="option-value-secondary">
36 |               <span id="popup-dblclick-text">Trigger key:</span>
37 |               <select name="popup-dblclick-key" id="popup-dblclick-key">
38 |                 <option value="none">None</option>
39 |                 <option value="ctrl" id="popup-dblclick-key-ctrl">Ctrl</option>
40 |                 <option value="alt">Alt</option>
41 |                 <option value="shift">Shift</option>
42 |               </select>
43 |             </div>
44 |           </div>
45 |         </div>
46 |         <div class="option-row">
47 |           <div class="option-name">Word history:</div>
48 |           <div class="option-value">
49 |             <div class="option-value-primary">
50 |               <input type="checkbox" name="store-history-checkbox"
51 |                      id="store-history-checkbox">
52 |               <label for="store-history-checkbox">
53 |                 Store words I look up, including definitions
54 |               </label>
55 |             </div>
56 |             <div class="option-value-secondary">
57 |               Number of words stored in history:
58 |               <span id="num-words-in-history">0</span>
59 |             </div>
60 |             <div class="option-value-primary">
61 |               <button id="download-history-btn" class="btn btn-default">
62 |                 Download history
63 |               </button>
64 |               <a href="#" id="download-history-link"
65 |                  download="DictionaryAnywhere.txt">
66 |               </a>
67 |               <button id="clear-history-btn" class="btn btn-default">
68 |                   Clear history
69 |                 </button>
70 |             </div>
71 |           </div>
72 |         </div>
73 |         <div class="btn-row">
74 |           <button id="save-btn" class="btn btn-primary">Save</button>
75 |           <button id="reset-btn" class="btn btn-default">Reset</button>
76 |           <span id="save-status">Options saved</span>
77 |         </div>
78 |       </form>
79 |     </div>
80 |     <script type="text/javascript" src="../common/browser-polyfill.js"></script>
81 |     <script type="text/javascript" src="./options.js"></script>
82 |   </body>
83 | </html>
84 | 


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/options/options.js:
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  1 | const DEFAULT_LANGUAGE = 'en',
  2 |     DEFAULT_TRIGGER_KEY = 'none',
  3 |     IS_HISTORY_ENABLED_BY_DEFAULT = true,
  4 | 
  5 |     SAVE_STATUS = document.querySelector("#save-status"),
  6 | 
  7 |     SAVE_OPTIONS_BUTTON = document.querySelector("#save-btn"),
  8 |     RESET_OPTIONS_BUTTON = document.querySelector("#reset-btn"),
  9 | 
 10 |     CLEAR_HISTORY_BUTTON = document.querySelector("#clear-history-btn"),
 11 |     DOWNLOAD_HISTORY_BUTTON = document.querySelector("#download-history-btn"),
 12 | 
 13 |     OS_MAC = 'mac',
 14 | 
 15 |     KEY_COMMAND = 'Command',
 16 |     KEY_META = 'meta';
 17 | 
 18 | 
 19 | 
 20 | function saveOptions(e) {
 21 |     browser.storage.local.set({
 22 |         language: document.querySelector("#language-selector").value,
 23 |         interaction: {
 24 |             dblClick: {
 25 |                 key: document.querySelector("#popup-dblclick-key").value
 26 |             }
 27 |         },
 28 |         history: {
 29 |             enabled: document.querySelector("#store-history-checkbox").checked
 30 |         }
 31 |     }).then(showSaveStatusAnimation);
 32 | 
 33 |     e.preventDefault();
 34 |   }
 35 |   
 36 |   function restoreOptions() {
 37 |     let storageItem = browser.storage.local.get();
 38 | 
 39 |     storageItem.then((results) => {
 40 |         let language = results.language,
 41 |             interaction = results.interaction || {},
 42 |             history = results.history || { enabled: IS_HISTORY_ENABLED_BY_DEFAULT },
 43 |             definitions = results.definitions || {};
 44 |         
 45 |         // language
 46 |         document.querySelector("#language-selector").value = language || DEFAULT_LANGUAGE;
 47 | 
 48 |         // interaction
 49 |         // document.querySelector("#popup-dblclick-checkbox").checked = interaction.dblClick.enabled;
 50 |         document.querySelector("#popup-dblclick-key").value = (interaction.dblClick && interaction.dblClick.key) || DEFAULT_TRIGGER_KEY;
 51 |         
 52 |         // document.querySelector("#popup-select-checkbox").checked = interaction.select.enabled;
 53 |         // document.querySelector("#popup-select-key").value = interaction.select.key;
 54 | 
 55 |         // history
 56 |         document.querySelector("#store-history-checkbox").checked = history.enabled;
 57 |         document.querySelector("#num-words-in-history").innerText = Object.keys(definitions).length;
 58 |     });
 59 |   }
 60 |   
 61 |   function downloadHistory (e) {
 62 |     let fileContent = "" 
 63 |         storageItem = browser.storage.local.get("definitions"),
 64 |         anchorTag = document.querySelector("#download-history-link");
 65 | 
 66 |     storageItem.then((results) => {
 67 |         let definitions = results.definitions || {};
 68 | 
 69 |         for (definition in definitions) {
 70 |             if (!definitions.hasOwnProperty(definition)) { return; }
 71 | 
 72 |             fileContent += definition;
 73 |             fileContent += "\t";
 74 |             fileContent += "\t";
 75 |             fileContent += definitions[definition];
 76 |             fileContent += "\n";
 77 |         }
 78 | 
 79 |         anchorTag.href = window.URL.createObjectURL(new Blob([fileContent],{
 80 |             type: "text/plain"
 81 |         }));
 82 | 
 83 |         anchorTag.dispatchEvent(new MouseEvent('click'));
 84 |     });
 85 | 
 86 |     e.preventDefault();
 87 |   }
 88 | 
 89 |   function resetOptions (e) {
 90 |     browser.storage.local.set({
 91 |         language: DEFAULT_LANGUAGE,
 92 |         interaction: {
 93 |             dblClick: {
 94 |                 key: DEFAULT_TRIGGER_KEY
 95 |             }
 96 |         },
 97 |         history: {
 98 |             enabled: IS_HISTORY_ENABLED_BY_DEFAULT
 99 |         }
100 |     }).then(restoreOptions);
101 | 
102 |     e.preventDefault();
103 |   }
104 | 
105 |   function clearHistory(e) {
106 |     browser.storage.local.set({ definitions: {} });
107 | 
108 |     e.preventDefault();
109 |   }
110 | 
111 |   function showSaveStatusAnimation () {
112 |     SAVE_STATUS.style.setProperty("-webkit-transition", "opacity 0s ease-out");
113 |     SAVE_STATUS.style.opacity = 1;
114 |     window.setTimeout(function() {
115 |         SAVE_STATUS.style.setProperty("-webkit-transition", "opacity 0.4s ease-out");
116 |         SAVE_STATUS.style.opacity = 0
117 |     }, 1500);
118 |   }
119 | 
120 |   document.addEventListener('DOMContentLoaded', restoreOptions);
121 | 
122 |   CLEAR_HISTORY_BUTTON.addEventListener("click", clearHistory);
123 |   DOWNLOAD_HISTORY_BUTTON.addEventListener("click", downloadHistory);
124 | 
125 |   SAVE_OPTIONS_BUTTON.addEventListener("click", saveOptions);
126 |   RESET_OPTIONS_BUTTON.addEventListener("click", resetOptions);
127 | 
128 |   if (window.navigator.platform.toLowerCase().includes(OS_MAC)) {
129 |     document.getElementById("popup-dblclick-key-ctrl").textContent = KEY_COMMAND;
130 |     document.getElementById("popup-dblclick-key-ctrl").value = KEY_META;
131 |   }
132 | 


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/content_scripts/dictionary.js:
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  1 |     var DEFAULT_LANGUAGE = 'en',
  2 |         DEFAULT_TRIGGER_KEY = 'none',
  3 | 
  4 |         LANGUAGE,
  5 |         TRIGGER_KEY;
  6 | 
  7 |     function showMeaning (event){
  8 |         var createdDiv,
  9 |             info = getSelectionInfo(event);
 10 | 
 11 |         if (!info) { return; }
 12 | 
 13 |         retrieveMeaning(info)
 14 |             .then((response) => {                
 15 |                 if (!response.content) { return noMeaningFound(createdDiv); }
 16 | 
 17 |                 appendToDiv(createdDiv, response.content);
 18 |             });
 19 | 
 20 |         // Creating this div while we are fetching meaning to make extension more fast.
 21 |         createdDiv = createDiv(info);
 22 |     }
 23 | 
 24 | 
 25 |     function getSelectionInfo(event) {
 26 |         var word;
 27 |         var boundingRect;
 28 | 
 29 |         if (window.getSelection().toString().length > 1) {
 30 |             word = window.getSelection().toString();
 31 |             boundingRect = getSelectionCoords(window.getSelection());
 32 |         } else {
 33 |             return null;
 34 |         }
 35 | 
 36 |         var top = boundingRect.top + window.scrollY,
 37 |             bottom = boundingRect.bottom + window.scrollY,
 38 |             left = boundingRect.left + window.scrollX;
 39 | 
 40 |         if (boundingRect.height == 0) {
 41 |             top = event.pageY;
 42 |             bottom = event.pageY;
 43 |             left = event.pageX;
 44 |         }
 45 | 
 46 |         return {
 47 |             top: top,
 48 |             bottom: bottom,
 49 |             left: left,
 50 |             word: word,
 51 |             clientY: event.clientY,
 52 |             height: boundingRect.height
 53 |         };
 54 |     }
 55 | 
 56 |     function retrieveMeaning(info){
 57 |         return browser.runtime.sendMessage({ word: info.word, lang: LANGUAGE, time: Date.now() });
 58 |     }
 59 | 
 60 |     function createDiv(info) {
 61 |         var hostDiv = document.createElement("div");
 62 | 
 63 |         hostDiv.className = "dictionaryDiv";
 64 |         hostDiv.style.left = info.left -10 + "px";
 65 |         hostDiv.style.position = "absolute";
 66 |         hostDiv.style.zIndex = "1000000"
 67 |         hostDiv.attachShadow({mode: 'open'});
 68 | 
 69 |         var shadow = hostDiv.shadowRoot;
 70 |         var style = document.createElement("style");
 71 |         //style.textContent = "*{ all: initial}";
 72 |         style.textContent = ".mwe-popups{background:#fff;position:absolute;z-index:110;-webkit-box-shadow:0 30px 90px -20px rgba(0,0,0,0.3),0 0 1px #a2a9b1;box-shadow:0 30px 90px -20px rgba(0,0,0,0.3),0 0 1px #a2a9b1;padding:0;font-size:14px;min-width:300px;border-radius:2px}.mwe-popups.mwe-popups-is-not-tall{width:320px}.mwe-popups .mwe-popups-container{color:#222;margin-top:-9px;padding-top:9px;text-decoration:none}.mwe-popups.mwe-popups-is-not-tall .mwe-popups-extract{min-height:40px;max-height:140px;overflow:hidden;margin-bottom:47px;padding-bottom:0}.mwe-popups .mwe-popups-extract{margin:16px;display:block;color:#222;text-decoration:none;position:relative} .mwe-popups.flipped_y:before{content:'';position:absolute;border:8px solid transparent;border-bottom:0;border-top: 8px solid #a2a9b1;bottom:-8px;left:10px}.mwe-popups.flipped_y:after{content:'';position:absolute;border:11px solid transparent;border-bottom:0;border-top:11px solid #fff;bottom:-7px;left:7px} .mwe-popups.mwe-popups-no-image-tri:before{content:'';position:absolute;border:8px solid transparent;border-top:0;border-bottom: 8px solid #a2a9b1;top:-8px;left:10px}.mwe-popups.mwe-popups-no-image-tri:after{content:'';position:absolute;border:11px solid transparent;border-top:0;border-bottom:11px solid #fff;top:-7px;left:7px} .audio{background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAcUlEQVQ4y2P4//8/AyUYQhAH3gNxA7IAIQPmo/H3g/QA8XkgFiBkwHyoYnRQABVfj88AmGZcTuuHyjlgMwBZM7IE3NlQGhQe65EN+I8Dw8MLGgYoFpFqADK/YUAMwOsFigORatFIlYRElaRMWmaiBAMAp0n+3U0kqkAAAAAASUVORK5CYII=);background-position: center;background-repeat: no-repeat;cursor:pointer;margin-left: 8px;opacity: 0.5; width: 16px; display: inline-block;} .audio:hover {opacity: 1;}";
 73 |         shadow.appendChild(style);
 74 | 
 75 |         var encapsulateDiv = document.createElement("div");
 76 |         encapsulateDiv.style = "all: initial; text-shadow: transparent 0px 0px 0px, rgba(0,0,0,1) 0px 0px 0px !important;";
 77 |         shadow.appendChild(encapsulateDiv);
 78 | 
 79 | 
 80 |         var popupDiv = document.createElement("div");
 81 |         popupDiv.style = "font-family: arial,sans-serif; border-radius: 12px; border: 1px solid #a2a9b1; box-shadow: 0 0 17px rgba(0,0,0,0.5)";
 82 |         encapsulateDiv.appendChild(popupDiv);
 83 | 
 84 | 
 85 |         var contentContainer = document.createElement("div");
 86 |         contentContainer.className = "mwe-popups-container";
 87 |         popupDiv.appendChild(contentContainer);
 88 | 
 89 | 
 90 | 
 91 |         var content = document.createElement("div");
 92 |         content.className = "mwe-popups-extract";
 93 |         content.style = "line-height: 1.4; margin-top: 0px; margin-bottom: 11px; max-height: none";
 94 |         contentContainer.appendChild(content);
 95 | 
 96 | 
 97 |         var heading = document.createElement("h3");
 98 |         heading.style = "margin-block-end: 0px; display:inline-block;";
 99 |         heading.textContent = "Searching";
100 | 
101 |         var meaning = document.createElement("p");
102 |         meaning.style = "margin-top: 10px";
103 |         meaning.textContent = "Please Wait...";
104 | 
105 |         var audio = document.createElement("div");
106 |         audio.className = "audio";
107 |         audio.innerHTML = "&nbsp;";
108 |         audio.style.display = "none";
109 | 
110 |         var moreInfo =document.createElement("a");
111 |         moreInfo.href = `https://www.google.com/search?hl=${LANGUAGE}&q=define+${info.word}`;
112 |         moreInfo.style = "float: right; text-decoration: none;"
113 |         moreInfo.target = "_blank";
114 | 
115 |         content.appendChild(heading);
116 |         content.appendChild(audio);
117 |         content.appendChild(meaning);
118 |         content.appendChild(moreInfo);
119 |         document.body.appendChild(hostDiv);
120 | 
121 |         if(info.clientY < window.innerHeight/2){
122 |             popupDiv.className = "mwe-popups mwe-popups-no-image-tri mwe-popups-is-not-tall";
123 |             hostDiv.style.top = info.bottom + 10 + "px";
124 |             if(info.height == 0){
125 |                 hostDiv.style.top = parseInt(hostDiv.style.top) + 8 + "px";
126 |             }
127 |         } else {
128 |             popupDiv.className = "mwe-popups flipped_y mwe-popups-is-not-tall";
129 |             hostDiv.style.top = info.top - 10 - popupDiv.clientHeight + "px";
130 | 
131 |             if(info.height == 0){
132 |                 hostDiv.style.top = parseInt(hostDiv.style.top) - 8 + "px";
133 |             }
134 |         }
135 | 
136 |         return { 
137 |             heading, 
138 |             meaning, 
139 |             moreInfo, 
140 |             audio 
141 |         };
142 | 
143 |     }
144 | 
145 |     function getSelectionCoords(selection) {
146 |         var oRange = selection.getRangeAt(0); //get the text range
147 |         var oRect = oRange.getBoundingClientRect();
148 |         return oRect;
149 |     }
150 | 
151 |     function appendToDiv(createdDiv, content){
152 |         var hostDiv = createdDiv.heading.getRootNode().host;
153 |         var popupDiv = createdDiv.heading.getRootNode().querySelectorAll("div")[1];
154 | 
155 |         var heightBefore = popupDiv.clientHeight;
156 |         createdDiv.heading.textContent = content.word;
157 |         createdDiv.meaning.textContent = content.meaning;
158 |         createdDiv.moreInfo.textContent = "More »";
159 | 
160 |         var heightAfter = popupDiv.clientHeight;
161 |         var difference = heightAfter - heightBefore;
162 | 
163 | 
164 |         if(popupDiv.classList.contains("flipped_y")){
165 |             hostDiv.style.top = parseInt(hostDiv.style.top) - difference + 1 + "px";
166 |         }
167 | 
168 |         if(content.audioSrc){
169 |           var sound = document.createElement("audio");
170 |           sound.src = content.audioSrc;
171 |           createdDiv.audio.style.display  = "inline-block";
172 |           createdDiv.audio.addEventListener("click", function(){
173 |             sound.play();
174 |           });
175 |         }
176 |     }
177 | 
178 |     function noMeaningFound (createdDiv){
179 |       createdDiv.heading.textContent = "Sorry";
180 |       createdDiv.meaning.textContent = "No definition found.";
181 |     }
182 | 
183 |     function removeMeaning(event){
184 |         var element = event.target;
185 |         if(!element.classList.contains("dictionaryDiv")){
186 |             document.querySelectorAll(".dictionaryDiv").forEach(function(Node){
187 |                 Node.remove();
188 |             });
189 |         }
190 |     }
191 | 
192 |     document.addEventListener('dblclick', ((e) => {
193 |         if (TRIGGER_KEY === 'none') {
194 |             return showMeaning(e);
195 |         }
196 | 
197 |         //e has property altKey, shiftKey, cmdKey representing they key being pressed while double clicking.
198 |         if(e[`${TRIGGER_KEY}Key`]) {
199 |             return showMeaning(e);
200 |         }
201 | 
202 |         return;
203 |     }));
204 | 
205 |     document.addEventListener('click', removeMeaning);
206 | 
207 |     (function () {
208 |         let storageItem = browser.storage.local.get();
209 | 
210 |         storageItem.then((results) => {
211 |             let interaction = results.interaction || { dblClick: { key: DEFAULT_TRIGGER_KEY }};
212 | 
213 |             LANGUAGE = results.language || DEFAULT_LANGUAGE;
214 |             TRIGGER_KEY = interaction.dblClick.key;
215 |         });
216 |     })();
217 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
  1 |                     GNU GENERAL PUBLIC LICENSE
  2 |                        Version 3, 29 June 2007
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160 | covered work is covered by this License only if the output, given its
161 | content, constitutes a covered work.  This License acknowledges your
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163 | 
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165 | convey, without conditions so long as your license otherwise remains
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230 |     d) If the work has interactive user interfaces, each must display
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457 | transaction who receives a copy of the work also receives whatever
458 | licenses to the work the party's predecessor in interest had or could
459 | give under the previous paragraph, plus a right to possession of the
460 | Corresponding Source of the work from the predecessor in interest, if
461 | the predecessor has it or can get it with reasonable efforts.
462 | 
463 |   You may not impose any further restrictions on the exercise of the
464 | rights granted or affirmed under this License.  For example, you may
465 | not impose a license fee, royalty, or other charge for exercise of
466 | rights granted under this License, and you may not initiate litigation
467 | (including a cross-claim or counterclaim in a lawsuit) alleging that
468 | any patent claim is infringed by making, using, selling, offering for
469 | sale, or importing the Program or any portion of it.
470 | 
471 |   11. Patents.
472 | 
473 |   A "contributor" is a copyright holder who authorizes use under this
474 | License of the Program or a work on which the Program is based.  The
475 | work thus licensed is called the contributor's "contributor version".
476 | 
477 |   A contributor's "essential patent claims" are all patent claims
478 | owned or controlled by the contributor, whether already acquired or
479 | hereafter acquired, that would be infringed by some manner, permitted
480 | by this License, of making, using, or selling its contributor version,
481 | but do not include claims that would be infringed only as a
482 | consequence of further modification of the contributor version.  For
483 | purposes of this definition, "control" includes the right to grant
484 | patent sublicenses in a manner consistent with the requirements of
485 | this License.
486 | 
487 |   Each contributor grants you a non-exclusive, worldwide, royalty-free
488 | patent license under the contributor's essential patent claims, to
489 | make, use, sell, offer for sale, import and otherwise run, modify and
490 | propagate the contents of its contributor version.
491 | 
492 |   In the following three paragraphs, a "patent license" is any express
493 | agreement or commitment, however denominated, not to enforce a patent
494 | (such as an express permission to practice a patent or covenant not to
495 | sue for patent infringement).  To "grant" such a patent license to a
496 | party means to make such an agreement or commitment not to enforce a
497 | patent against the party.
498 | 
499 |   If you convey a covered work, knowingly relying on a patent license,
500 | and the Corresponding Source of the work is not available for anyone
501 | to copy, free of charge and under the terms of this License, through a
502 | publicly available network server or other readily accessible means,
503 | then you must either (1) cause the Corresponding Source to be so
504 | available, or (2) arrange to deprive yourself of the benefit of the
505 | patent license for this particular work, or (3) arrange, in a manner
506 | consistent with the requirements of this License, to extend the patent
507 | license to downstream recipients.  "Knowingly relying" means you have
508 | actual knowledge that, but for the patent license, your conveying the
509 | covered work in a country, or your recipient's use of the covered work
510 | in a country, would infringe one or more identifiable patents in that
511 | country that you have reason to believe are valid.
512 | 
513 |   If, pursuant to or in connection with a single transaction or
514 | arrangement, you convey, or propagate by procuring conveyance of, a
515 | covered work, and grant a patent license to some of the parties
516 | receiving the covered work authorizing them to use, propagate, modify
517 | or convey a specific copy of the covered work, then the patent license
518 | you grant is automatically extended to all recipients of the covered
519 | work and works based on it.
520 | 
521 |   A patent license is "discriminatory" if it does not include within
522 | the scope of its coverage, prohibits the exercise of, or is
523 | conditioned on the non-exercise of one or more of the rights that are
524 | specifically granted under this License.  You may not convey a covered
525 | work if you are a party to an arrangement with a third party that is
526 | in the business of distributing software, under which you make payment
527 | to the third party based on the extent of your activity of conveying
528 | the work, and under which the third party grants, to any of the
529 | parties who would receive the covered work from you, a discriminatory
530 | patent license (a) in connection with copies of the covered work
531 | conveyed by you (or copies made from those copies), or (b) primarily
532 | for and in connection with specific products or compilations that
533 | contain the covered work, unless you entered into that arrangement,
534 | or that patent license was granted, prior to 28 March 2007.
535 | 
536 |   Nothing in this License shall be construed as excluding or limiting
537 | any implied license or other defenses to infringement that may
538 | otherwise be available to you under applicable patent law.
539 | 
540 |   12. No Surrender of Others' Freedom.
541 | 
542 |   If conditions are imposed on you (whether by court order, agreement or
543 | otherwise) that contradict the conditions of this License, they do not
544 | excuse you from the conditions of this License.  If you cannot convey a
545 | covered work so as to satisfy simultaneously your obligations under this
546 | License and any other pertinent obligations, then as a consequence you may
547 | not convey it at all.  For example, if you agree to terms that obligate you
548 | to collect a royalty for further conveying from those to whom you convey
549 | the Program, the only way you could satisfy both those terms and this
550 | License would be to refrain entirely from conveying the Program.
551 | 
552 |   13. Use with the GNU Affero General Public License.
553 | 
554 |   Notwithstanding any other provision of this License, you have
555 | permission to link or combine any covered work with a work licensed
556 | under version 3 of the GNU Affero General Public License into a single
557 | combined work, and to convey the resulting work.  The terms of this
558 | License will continue to apply to the part which is the covered work,
559 | but the special requirements of the GNU Affero General Public License,
560 | section 13, concerning interaction through a network will apply to the
561 | combination as such.
562 | 
563 |   14. Revised Versions of this License.
564 | 
565 |   The Free Software Foundation may publish revised and/or new versions of
566 | the GNU General Public License from time to time.  Such new versions will
567 | be similar in spirit to the present version, but may differ in detail to
568 | address new problems or concerns.
569 | 
570 |   Each version is given a distinguishing version number.  If the
571 | Program specifies that a certain numbered version of the GNU General
572 | Public License "or any later version" applies to it, you have the
573 | option of following the terms and conditions either of that numbered
574 | version or of any later version published by the Free Software
575 | Foundation.  If the Program does not specify a version number of the
576 | GNU General Public License, you may choose any version ever published
577 | by the Free Software Foundation.
578 | 
579 |   If the Program specifies that a proxy can decide which future
580 | versions of the GNU General Public License can be used, that proxy's
581 | public statement of acceptance of a version permanently authorizes you
582 | to choose that version for the Program.
583 | 
584 |   Later license versions may give you additional or different
585 | permissions.  However, no additional obligations are imposed on any
586 | author or copyright holder as a result of your choosing to follow a
587 | later version.
588 | 
589 |   15. Disclaimer of Warranty.
590 | 
591 |   THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592 | APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596 | PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597 | IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599 | 
600 |   16. Limitation of Liability.
601 | 
602 |   IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610 | SUCH DAMAGES.
611 | 
612 |   17. Interpretation of Sections 15 and 16.
613 | 
614 |   If the disclaimer of warranty and limitation of liability provided
615 | above cannot be given local legal effect according to their terms,
616 | reviewing courts shall apply local law that most closely approximates
617 | an absolute waiver of all civil liability in connection with the
618 | Program, unless a warranty or assumption of liability accompanies a
619 | copy of the Program in return for a fee.
620 | 
621 |                      END OF TERMS AND CONDITIONS
622 | 
623 |             How to Apply These Terms to Your New Programs
624 | 
625 |   If you develop a new program, and you want it to be of the greatest
626 | possible use to the public, the best way to achieve this is to make it
627 | free software which everyone can redistribute and change under these terms.
628 | 
629 |   To do so, attach the following notices to the program.  It is safest
630 | to attach them to the start of each source file to most effectively
631 | state the exclusion of warranty; and each file should have at least
632 | the "copyright" line and a pointer to where the full notice is found.
633 | 
634 |     <one line to give the program's name and a brief idea of what it does.>
635 |     Copyright (C) <year>  <name of author>
636 | 
637 |     This program is free software: you can redistribute it and/or modify
638 |     it under the terms of the GNU General Public License as published by
639 |     the Free Software Foundation, either version 3 of the License, or
640 |     (at your option) any later version.
641 | 
642 |     This program is distributed in the hope that it will be useful,
643 |     but WITHOUT ANY WARRANTY; without even the implied warranty of
644 |     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
645 |     GNU General Public License for more details.
646 | 
647 |     You should have received a copy of the GNU General Public License
648 |     along with this program.  If not, see <http://www.gnu.org/licenses/>.
649 | 
650 | Also add information on how to contact you by electronic and paper mail.
651 | 
652 |   If the program does terminal interaction, make it output a short
653 | notice like this when it starts in an interactive mode:
654 | 
655 |     <program>  Copyright (C) <year>  <name of author>
656 |     This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657 |     This is free software, and you are welcome to redistribute it
658 |     under certain conditions; type `show c' for details.
659 | 
660 | The hypothetical commands `show w' and `show c' should show the appropriate
661 | parts of the General Public License.  Of course, your program's commands
662 | might be different; for a GUI interface, you would use an "about box".
663 | 
664 |   You should also get your employer (if you work as a programmer) or school,
665 | if any, to sign a "copyright disclaimer" for the program, if necessary.
666 | For more information on this, and how to apply and follow the GNU GPL, see
667 | <http://www.gnu.org/licenses/>.
668 | 
669 |   The GNU General Public License does not permit incorporating your program
670 | into proprietary programs.  If your program is a subroutine library, you
671 | may consider it more useful to permit linking proprietary applications with
672 | the library.  If this is what you want to do, use the GNU Lesser General
673 | Public License instead of this License.  But first, please read
674 | <http://www.gnu.org/philosophy/why-not-lgpl.html>.
675 | 


--------------------------------------------------------------------------------
/common/browser-polyfill.js:
--------------------------------------------------------------------------------
   1 | (function (global, factory) {
   2 |     if (typeof define === "function" && define.amd) {
   3 |       define("webextension-polyfill", ["module"], factory);
   4 |     } else if (typeof exports !== "undefined") {
   5 |       factory(module);
   6 |     } else {
   7 |       var mod = {
   8 |         exports: {}
   9 |       };
  10 |       factory(mod);
  11 |       global.browser = mod.exports;
  12 |     }
  13 |   })(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (module) {
  14 |     /* webextension-polyfill - v0.6.0 - Mon Dec 23 2019 12:32:53 */
  15 |   
  16 |     /* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
  17 |   
  18 |     /* vim: set sts=2 sw=2 et tw=80: */
  19 |   
  20 |     /* This Source Code Form is subject to the terms of the Mozilla Public
  21 |      * License, v. 2.0. If a copy of the MPL was not distributed with this
  22 |      * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  23 |     "use strict";
  24 |   
  25 |     if (typeof browser === "undefined" || Object.getPrototypeOf(browser) !== Object.prototype) {
  26 |       const CHROME_SEND_MESSAGE_CALLBACK_NO_RESPONSE_MESSAGE = "The message port closed before a response was received.";
  27 |       const SEND_RESPONSE_DEPRECATION_WARNING = "Returning a Promise is the preferred way to send a reply from an onMessage/onMessageExternal listener, as the sendResponse will be removed from the specs (See https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage)"; // Wrapping the bulk of this polyfill in a one-time-use function is a minor
  28 |       // optimization for Firefox. Since Spidermonkey does not fully parse the
  29 |       // contents of a function until the first time it's called, and since it will
  30 |       // never actually need to be called, this allows the polyfill to be included
  31 |       // in Firefox nearly for free.
  32 |   
  33 |       const wrapAPIs = extensionAPIs => {
  34 |         // NOTE: apiMetadata is associated to the content of the api-metadata.json file
  35 |         // at build time by replacing the following "include" with the content of the
  36 |         // JSON file.
  37 |         const apiMetadata = {
  38 |           "alarms": {
  39 |             "clear": {
  40 |               "minArgs": 0,
  41 |               "maxArgs": 1
  42 |             },
  43 |             "clearAll": {
  44 |               "minArgs": 0,
  45 |               "maxArgs": 0
  46 |             },
  47 |             "get": {
  48 |               "minArgs": 0,
  49 |               "maxArgs": 1
  50 |             },
  51 |             "getAll": {
  52 |               "minArgs": 0,
  53 |               "maxArgs": 0
  54 |             }
  55 |           },
  56 |           "bookmarks": {
  57 |             "create": {
  58 |               "minArgs": 1,
  59 |               "maxArgs": 1
  60 |             },
  61 |             "get": {
  62 |               "minArgs": 1,
  63 |               "maxArgs": 1
  64 |             },
  65 |             "getChildren": {
  66 |               "minArgs": 1,
  67 |               "maxArgs": 1
  68 |             },
  69 |             "getRecent": {
  70 |               "minArgs": 1,
  71 |               "maxArgs": 1
  72 |             },
  73 |             "getSubTree": {
  74 |               "minArgs": 1,
  75 |               "maxArgs": 1
  76 |             },
  77 |             "getTree": {
  78 |               "minArgs": 0,
  79 |               "maxArgs": 0
  80 |             },
  81 |             "move": {
  82 |               "minArgs": 2,
  83 |               "maxArgs": 2
  84 |             },
  85 |             "remove": {
  86 |               "minArgs": 1,
  87 |               "maxArgs": 1
  88 |             },
  89 |             "removeTree": {
  90 |               "minArgs": 1,
  91 |               "maxArgs": 1
  92 |             },
  93 |             "search": {
  94 |               "minArgs": 1,
  95 |               "maxArgs": 1
  96 |             },
  97 |             "update": {
  98 |               "minArgs": 2,
  99 |               "maxArgs": 2
 100 |             }
 101 |           },
 102 |           "browserAction": {
 103 |             "disable": {
 104 |               "minArgs": 0,
 105 |               "maxArgs": 1,
 106 |               "fallbackToNoCallback": true
 107 |             },
 108 |             "enable": {
 109 |               "minArgs": 0,
 110 |               "maxArgs": 1,
 111 |               "fallbackToNoCallback": true
 112 |             },
 113 |             "getBadgeBackgroundColor": {
 114 |               "minArgs": 1,
 115 |               "maxArgs": 1
 116 |             },
 117 |             "getBadgeText": {
 118 |               "minArgs": 1,
 119 |               "maxArgs": 1
 120 |             },
 121 |             "getPopup": {
 122 |               "minArgs": 1,
 123 |               "maxArgs": 1
 124 |             },
 125 |             "getTitle": {
 126 |               "minArgs": 1,
 127 |               "maxArgs": 1
 128 |             },
 129 |             "openPopup": {
 130 |               "minArgs": 0,
 131 |               "maxArgs": 0
 132 |             },
 133 |             "setBadgeBackgroundColor": {
 134 |               "minArgs": 1,
 135 |               "maxArgs": 1,
 136 |               "fallbackToNoCallback": true
 137 |             },
 138 |             "setBadgeText": {
 139 |               "minArgs": 1,
 140 |               "maxArgs": 1,
 141 |               "fallbackToNoCallback": true
 142 |             },
 143 |             "setIcon": {
 144 |               "minArgs": 1,
 145 |               "maxArgs": 1
 146 |             },
 147 |             "setPopup": {
 148 |               "minArgs": 1,
 149 |               "maxArgs": 1,
 150 |               "fallbackToNoCallback": true
 151 |             },
 152 |             "setTitle": {
 153 |               "minArgs": 1,
 154 |               "maxArgs": 1,
 155 |               "fallbackToNoCallback": true
 156 |             }
 157 |           },
 158 |           "browsingData": {
 159 |             "remove": {
 160 |               "minArgs": 2,
 161 |               "maxArgs": 2
 162 |             },
 163 |             "removeCache": {
 164 |               "minArgs": 1,
 165 |               "maxArgs": 1
 166 |             },
 167 |             "removeCookies": {
 168 |               "minArgs": 1,
 169 |               "maxArgs": 1
 170 |             },
 171 |             "removeDownloads": {
 172 |               "minArgs": 1,
 173 |               "maxArgs": 1
 174 |             },
 175 |             "removeFormData": {
 176 |               "minArgs": 1,
 177 |               "maxArgs": 1
 178 |             },
 179 |             "removeHistory": {
 180 |               "minArgs": 1,
 181 |               "maxArgs": 1
 182 |             },
 183 |             "removeLocalStorage": {
 184 |               "minArgs": 1,
 185 |               "maxArgs": 1
 186 |             },
 187 |             "removePasswords": {
 188 |               "minArgs": 1,
 189 |               "maxArgs": 1
 190 |             },
 191 |             "removePluginData": {
 192 |               "minArgs": 1,
 193 |               "maxArgs": 1
 194 |             },
 195 |             "settings": {
 196 |               "minArgs": 0,
 197 |               "maxArgs": 0
 198 |             }
 199 |           },
 200 |           "commands": {
 201 |             "getAll": {
 202 |               "minArgs": 0,
 203 |               "maxArgs": 0
 204 |             }
 205 |           },
 206 |           "contextMenus": {
 207 |             "remove": {
 208 |               "minArgs": 1,
 209 |               "maxArgs": 1
 210 |             },
 211 |             "removeAll": {
 212 |               "minArgs": 0,
 213 |               "maxArgs": 0
 214 |             },
 215 |             "update": {
 216 |               "minArgs": 2,
 217 |               "maxArgs": 2
 218 |             }
 219 |           },
 220 |           "cookies": {
 221 |             "get": {
 222 |               "minArgs": 1,
 223 |               "maxArgs": 1
 224 |             },
 225 |             "getAll": {
 226 |               "minArgs": 1,
 227 |               "maxArgs": 1
 228 |             },
 229 |             "getAllCookieStores": {
 230 |               "minArgs": 0,
 231 |               "maxArgs": 0
 232 |             },
 233 |             "remove": {
 234 |               "minArgs": 1,
 235 |               "maxArgs": 1
 236 |             },
 237 |             "set": {
 238 |               "minArgs": 1,
 239 |               "maxArgs": 1
 240 |             }
 241 |           },
 242 |           "devtools": {
 243 |             "inspectedWindow": {
 244 |               "eval": {
 245 |                 "minArgs": 1,
 246 |                 "maxArgs": 2,
 247 |                 "singleCallbackArg": false
 248 |               }
 249 |             },
 250 |             "panels": {
 251 |               "create": {
 252 |                 "minArgs": 3,
 253 |                 "maxArgs": 3,
 254 |                 "singleCallbackArg": true
 255 |               }
 256 |             }
 257 |           },
 258 |           "downloads": {
 259 |             "cancel": {
 260 |               "minArgs": 1,
 261 |               "maxArgs": 1
 262 |             },
 263 |             "download": {
 264 |               "minArgs": 1,
 265 |               "maxArgs": 1
 266 |             },
 267 |             "erase": {
 268 |               "minArgs": 1,
 269 |               "maxArgs": 1
 270 |             },
 271 |             "getFileIcon": {
 272 |               "minArgs": 1,
 273 |               "maxArgs": 2
 274 |             },
 275 |             "open": {
 276 |               "minArgs": 1,
 277 |               "maxArgs": 1,
 278 |               "fallbackToNoCallback": true
 279 |             },
 280 |             "pause": {
 281 |               "minArgs": 1,
 282 |               "maxArgs": 1
 283 |             },
 284 |             "removeFile": {
 285 |               "minArgs": 1,
 286 |               "maxArgs": 1
 287 |             },
 288 |             "resume": {
 289 |               "minArgs": 1,
 290 |               "maxArgs": 1
 291 |             },
 292 |             "search": {
 293 |               "minArgs": 1,
 294 |               "maxArgs": 1
 295 |             },
 296 |             "show": {
 297 |               "minArgs": 1,
 298 |               "maxArgs": 1,
 299 |               "fallbackToNoCallback": true
 300 |             }
 301 |           },
 302 |           "extension": {
 303 |             "isAllowedFileSchemeAccess": {
 304 |               "minArgs": 0,
 305 |               "maxArgs": 0
 306 |             },
 307 |             "isAllowedIncognitoAccess": {
 308 |               "minArgs": 0,
 309 |               "maxArgs": 0
 310 |             }
 311 |           },
 312 |           "history": {
 313 |             "addUrl": {
 314 |               "minArgs": 1,
 315 |               "maxArgs": 1
 316 |             },
 317 |             "deleteAll": {
 318 |               "minArgs": 0,
 319 |               "maxArgs": 0
 320 |             },
 321 |             "deleteRange": {
 322 |               "minArgs": 1,
 323 |               "maxArgs": 1
 324 |             },
 325 |             "deleteUrl": {
 326 |               "minArgs": 1,
 327 |               "maxArgs": 1
 328 |             },
 329 |             "getVisits": {
 330 |               "minArgs": 1,
 331 |               "maxArgs": 1
 332 |             },
 333 |             "search": {
 334 |               "minArgs": 1,
 335 |               "maxArgs": 1
 336 |             }
 337 |           },
 338 |           "i18n": {
 339 |             "detectLanguage": {
 340 |               "minArgs": 1,
 341 |               "maxArgs": 1
 342 |             },
 343 |             "getAcceptLanguages": {
 344 |               "minArgs": 0,
 345 |               "maxArgs": 0
 346 |             }
 347 |           },
 348 |           "identity": {
 349 |             "launchWebAuthFlow": {
 350 |               "minArgs": 1,
 351 |               "maxArgs": 1
 352 |             }
 353 |           },
 354 |           "idle": {
 355 |             "queryState": {
 356 |               "minArgs": 1,
 357 |               "maxArgs": 1
 358 |             }
 359 |           },
 360 |           "management": {
 361 |             "get": {
 362 |               "minArgs": 1,
 363 |               "maxArgs": 1
 364 |             },
 365 |             "getAll": {
 366 |               "minArgs": 0,
 367 |               "maxArgs": 0
 368 |             },
 369 |             "getSelf": {
 370 |               "minArgs": 0,
 371 |               "maxArgs": 0
 372 |             },
 373 |             "setEnabled": {
 374 |               "minArgs": 2,
 375 |               "maxArgs": 2
 376 |             },
 377 |             "uninstallSelf": {
 378 |               "minArgs": 0,
 379 |               "maxArgs": 1
 380 |             }
 381 |           },
 382 |           "notifications": {
 383 |             "clear": {
 384 |               "minArgs": 1,
 385 |               "maxArgs": 1
 386 |             },
 387 |             "create": {
 388 |               "minArgs": 1,
 389 |               "maxArgs": 2
 390 |             },
 391 |             "getAll": {
 392 |               "minArgs": 0,
 393 |               "maxArgs": 0
 394 |             },
 395 |             "getPermissionLevel": {
 396 |               "minArgs": 0,
 397 |               "maxArgs": 0
 398 |             },
 399 |             "update": {
 400 |               "minArgs": 2,
 401 |               "maxArgs": 2
 402 |             }
 403 |           },
 404 |           "pageAction": {
 405 |             "getPopup": {
 406 |               "minArgs": 1,
 407 |               "maxArgs": 1
 408 |             },
 409 |             "getTitle": {
 410 |               "minArgs": 1,
 411 |               "maxArgs": 1
 412 |             },
 413 |             "hide": {
 414 |               "minArgs": 1,
 415 |               "maxArgs": 1,
 416 |               "fallbackToNoCallback": true
 417 |             },
 418 |             "setIcon": {
 419 |               "minArgs": 1,
 420 |               "maxArgs": 1
 421 |             },
 422 |             "setPopup": {
 423 |               "minArgs": 1,
 424 |               "maxArgs": 1,
 425 |               "fallbackToNoCallback": true
 426 |             },
 427 |             "setTitle": {
 428 |               "minArgs": 1,
 429 |               "maxArgs": 1,
 430 |               "fallbackToNoCallback": true
 431 |             },
 432 |             "show": {
 433 |               "minArgs": 1,
 434 |               "maxArgs": 1,
 435 |               "fallbackToNoCallback": true
 436 |             }
 437 |           },
 438 |           "permissions": {
 439 |             "contains": {
 440 |               "minArgs": 1,
 441 |               "maxArgs": 1
 442 |             },
 443 |             "getAll": {
 444 |               "minArgs": 0,
 445 |               "maxArgs": 0
 446 |             },
 447 |             "remove": {
 448 |               "minArgs": 1,
 449 |               "maxArgs": 1
 450 |             },
 451 |             "request": {
 452 |               "minArgs": 1,
 453 |               "maxArgs": 1
 454 |             }
 455 |           },
 456 |           "runtime": {
 457 |             "getBackgroundPage": {
 458 |               "minArgs": 0,
 459 |               "maxArgs": 0
 460 |             },
 461 |             "getPlatformInfo": {
 462 |               "minArgs": 0,
 463 |               "maxArgs": 0
 464 |             },
 465 |             "openOptionsPage": {
 466 |               "minArgs": 0,
 467 |               "maxArgs": 0
 468 |             },
 469 |             "requestUpdateCheck": {
 470 |               "minArgs": 0,
 471 |               "maxArgs": 0
 472 |             },
 473 |             "sendMessage": {
 474 |               "minArgs": 1,
 475 |               "maxArgs": 3
 476 |             },
 477 |             "sendNativeMessage": {
 478 |               "minArgs": 2,
 479 |               "maxArgs": 2
 480 |             },
 481 |             "setUninstallURL": {
 482 |               "minArgs": 1,
 483 |               "maxArgs": 1
 484 |             }
 485 |           },
 486 |           "sessions": {
 487 |             "getDevices": {
 488 |               "minArgs": 0,
 489 |               "maxArgs": 1
 490 |             },
 491 |             "getRecentlyClosed": {
 492 |               "minArgs": 0,
 493 |               "maxArgs": 1
 494 |             },
 495 |             "restore": {
 496 |               "minArgs": 0,
 497 |               "maxArgs": 1
 498 |             }
 499 |           },
 500 |           "storage": {
 501 |             "local": {
 502 |               "clear": {
 503 |                 "minArgs": 0,
 504 |                 "maxArgs": 0
 505 |               },
 506 |               "get": {
 507 |                 "minArgs": 0,
 508 |                 "maxArgs": 1
 509 |               },
 510 |               "getBytesInUse": {
 511 |                 "minArgs": 0,
 512 |                 "maxArgs": 1
 513 |               },
 514 |               "remove": {
 515 |                 "minArgs": 1,
 516 |                 "maxArgs": 1
 517 |               },
 518 |               "set": {
 519 |                 "minArgs": 1,
 520 |                 "maxArgs": 1
 521 |               }
 522 |             },
 523 |             "managed": {
 524 |               "get": {
 525 |                 "minArgs": 0,
 526 |                 "maxArgs": 1
 527 |               },
 528 |               "getBytesInUse": {
 529 |                 "minArgs": 0,
 530 |                 "maxArgs": 1
 531 |               }
 532 |             },
 533 |             "sync": {
 534 |               "clear": {
 535 |                 "minArgs": 0,
 536 |                 "maxArgs": 0
 537 |               },
 538 |               "get": {
 539 |                 "minArgs": 0,
 540 |                 "maxArgs": 1
 541 |               },
 542 |               "getBytesInUse": {
 543 |                 "minArgs": 0,
 544 |                 "maxArgs": 1
 545 |               },
 546 |               "remove": {
 547 |                 "minArgs": 1,
 548 |                 "maxArgs": 1
 549 |               },
 550 |               "set": {
 551 |                 "minArgs": 1,
 552 |                 "maxArgs": 1
 553 |               }
 554 |             }
 555 |           },
 556 |           "tabs": {
 557 |             "captureVisibleTab": {
 558 |               "minArgs": 0,
 559 |               "maxArgs": 2
 560 |             },
 561 |             "create": {
 562 |               "minArgs": 1,
 563 |               "maxArgs": 1
 564 |             },
 565 |             "detectLanguage": {
 566 |               "minArgs": 0,
 567 |               "maxArgs": 1
 568 |             },
 569 |             "discard": {
 570 |               "minArgs": 0,
 571 |               "maxArgs": 1
 572 |             },
 573 |             "duplicate": {
 574 |               "minArgs": 1,
 575 |               "maxArgs": 1
 576 |             },
 577 |             "executeScript": {
 578 |               "minArgs": 1,
 579 |               "maxArgs": 2
 580 |             },
 581 |             "get": {
 582 |               "minArgs": 1,
 583 |               "maxArgs": 1
 584 |             },
 585 |             "getCurrent": {
 586 |               "minArgs": 0,
 587 |               "maxArgs": 0
 588 |             },
 589 |             "getZoom": {
 590 |               "minArgs": 0,
 591 |               "maxArgs": 1
 592 |             },
 593 |             "getZoomSettings": {
 594 |               "minArgs": 0,
 595 |               "maxArgs": 1
 596 |             },
 597 |             "highlight": {
 598 |               "minArgs": 1,
 599 |               "maxArgs": 1
 600 |             },
 601 |             "insertCSS": {
 602 |               "minArgs": 1,
 603 |               "maxArgs": 2
 604 |             },
 605 |             "move": {
 606 |               "minArgs": 2,
 607 |               "maxArgs": 2
 608 |             },
 609 |             "query": {
 610 |               "minArgs": 1,
 611 |               "maxArgs": 1
 612 |             },
 613 |             "reload": {
 614 |               "minArgs": 0,
 615 |               "maxArgs": 2
 616 |             },
 617 |             "remove": {
 618 |               "minArgs": 1,
 619 |               "maxArgs": 1
 620 |             },
 621 |             "removeCSS": {
 622 |               "minArgs": 1,
 623 |               "maxArgs": 2
 624 |             },
 625 |             "sendMessage": {
 626 |               "minArgs": 2,
 627 |               "maxArgs": 3
 628 |             },
 629 |             "setZoom": {
 630 |               "minArgs": 1,
 631 |               "maxArgs": 2
 632 |             },
 633 |             "setZoomSettings": {
 634 |               "minArgs": 1,
 635 |               "maxArgs": 2
 636 |             },
 637 |             "update": {
 638 |               "minArgs": 1,
 639 |               "maxArgs": 2
 640 |             }
 641 |           },
 642 |           "topSites": {
 643 |             "get": {
 644 |               "minArgs": 0,
 645 |               "maxArgs": 0
 646 |             }
 647 |           },
 648 |           "webNavigation": {
 649 |             "getAllFrames": {
 650 |               "minArgs": 1,
 651 |               "maxArgs": 1
 652 |             },
 653 |             "getFrame": {
 654 |               "minArgs": 1,
 655 |               "maxArgs": 1
 656 |             }
 657 |           },
 658 |           "webRequest": {
 659 |             "handlerBehaviorChanged": {
 660 |               "minArgs": 0,
 661 |               "maxArgs": 0
 662 |             }
 663 |           },
 664 |           "windows": {
 665 |             "create": {
 666 |               "minArgs": 0,
 667 |               "maxArgs": 1
 668 |             },
 669 |             "get": {
 670 |               "minArgs": 1,
 671 |               "maxArgs": 2
 672 |             },
 673 |             "getAll": {
 674 |               "minArgs": 0,
 675 |               "maxArgs": 1
 676 |             },
 677 |             "getCurrent": {
 678 |               "minArgs": 0,
 679 |               "maxArgs": 1
 680 |             },
 681 |             "getLastFocused": {
 682 |               "minArgs": 0,
 683 |               "maxArgs": 1
 684 |             },
 685 |             "remove": {
 686 |               "minArgs": 1,
 687 |               "maxArgs": 1
 688 |             },
 689 |             "update": {
 690 |               "minArgs": 2,
 691 |               "maxArgs": 2
 692 |             }
 693 |           }
 694 |         };
 695 |   
 696 |         if (Object.keys(apiMetadata).length === 0) {
 697 |           throw new Error("api-metadata.json has not been included in browser-polyfill");
 698 |         }
 699 |         /**
 700 |          * A WeakMap subclass which creates and stores a value for any key which does
 701 |          * not exist when accessed, but behaves exactly as an ordinary WeakMap
 702 |          * otherwise.
 703 |          *
 704 |          * @param {function} createItem
 705 |          *        A function which will be called in order to create the value for any
 706 |          *        key which does not exist, the first time it is accessed. The
 707 |          *        function receives, as its only argument, the key being created.
 708 |          */
 709 |   
 710 |   
 711 |         class DefaultWeakMap extends WeakMap {
 712 |           constructor(createItem, items = undefined) {
 713 |             super(items);
 714 |             this.createItem = createItem;
 715 |           }
 716 |   
 717 |           get(key) {
 718 |             if (!this.has(key)) {
 719 |               this.set(key, this.createItem(key));
 720 |             }
 721 |   
 722 |             return super.get(key);
 723 |           }
 724 |   
 725 |         }
 726 |         /**
 727 |          * Returns true if the given object is an object with a `then` method, and can
 728 |          * therefore be assumed to behave as a Promise.
 729 |          *
 730 |          * @param {*} value The value to test.
 731 |          * @returns {boolean} True if the value is thenable.
 732 |          */
 733 |   
 734 |   
 735 |         const isThenable = value => {
 736 |           return value && typeof value === "object" && typeof value.then === "function";
 737 |         };
 738 |         /**
 739 |          * Creates and returns a function which, when called, will resolve or reject
 740 |          * the given promise based on how it is called:
 741 |          *
 742 |          * - If, when called, `chrome.runtime.lastError` contains a non-null object,
 743 |          *   the promise is rejected with that value.
 744 |          * - If the function is called with exactly one argument, the promise is
 745 |          *   resolved to that value.
 746 |          * - Otherwise, the promise is resolved to an array containing all of the
 747 |          *   function's arguments.
 748 |          *
 749 |          * @param {object} promise
 750 |          *        An object containing the resolution and rejection functions of a
 751 |          *        promise.
 752 |          * @param {function} promise.resolve
 753 |          *        The promise's resolution function.
 754 |          * @param {function} promise.rejection
 755 |          *        The promise's rejection function.
 756 |          * @param {object} metadata
 757 |          *        Metadata about the wrapped method which has created the callback.
 758 |          * @param {integer} metadata.maxResolvedArgs
 759 |          *        The maximum number of arguments which may be passed to the
 760 |          *        callback created by the wrapped async function.
 761 |          *
 762 |          * @returns {function}
 763 |          *        The generated callback function.
 764 |          */
 765 |   
 766 |   
 767 |         const makeCallback = (promise, metadata) => {
 768 |           return (...callbackArgs) => {
 769 |             if (extensionAPIs.runtime.lastError) {
 770 |               promise.reject(extensionAPIs.runtime.lastError);
 771 |             } else if (metadata.singleCallbackArg || callbackArgs.length <= 1 && metadata.singleCallbackArg !== false) {
 772 |               promise.resolve(callbackArgs[0]);
 773 |             } else {
 774 |               promise.resolve(callbackArgs);
 775 |             }
 776 |           };
 777 |         };
 778 |   
 779 |         const pluralizeArguments = numArgs => numArgs == 1 ? "argument" : "arguments";
 780 |         /**
 781 |          * Creates a wrapper function for a method with the given name and metadata.
 782 |          *
 783 |          * @param {string} name
 784 |          *        The name of the method which is being wrapped.
 785 |          * @param {object} metadata
 786 |          *        Metadata about the method being wrapped.
 787 |          * @param {integer} metadata.minArgs
 788 |          *        The minimum number of arguments which must be passed to the
 789 |          *        function. If called with fewer than this number of arguments, the
 790 |          *        wrapper will raise an exception.
 791 |          * @param {integer} metadata.maxArgs
 792 |          *        The maximum number of arguments which may be passed to the
 793 |          *        function. If called with more than this number of arguments, the
 794 |          *        wrapper will raise an exception.
 795 |          * @param {integer} metadata.maxResolvedArgs
 796 |          *        The maximum number of arguments which may be passed to the
 797 |          *        callback created by the wrapped async function.
 798 |          *
 799 |          * @returns {function(object, ...*)}
 800 |          *       The generated wrapper function.
 801 |          */
 802 |   
 803 |   
 804 |         const wrapAsyncFunction = (name, metadata) => {
 805 |           return function asyncFunctionWrapper(target, ...args) {
 806 |             if (args.length < metadata.minArgs) {
 807 |               throw new Error(`Expected at least ${metadata.minArgs} ${pluralizeArguments(metadata.minArgs)} for ${name}(), got ${args.length}`);
 808 |             }
 809 |   
 810 |             if (args.length > metadata.maxArgs) {
 811 |               throw new Error(`Expected at most ${metadata.maxArgs} ${pluralizeArguments(metadata.maxArgs)} for ${name}(), got ${args.length}`);
 812 |             }
 813 |   
 814 |             return new Promise((resolve, reject) => {
 815 |               if (metadata.fallbackToNoCallback) {
 816 |                 // This API method has currently no callback on Chrome, but it return a promise on Firefox,
 817 |                 // and so the polyfill will try to call it with a callback first, and it will fallback
 818 |                 // to not passing the callback if the first call fails.
 819 |                 try {
 820 |                   target[name](...args, makeCallback({
 821 |                     resolve,
 822 |                     reject
 823 |                   }, metadata));
 824 |                 } catch (cbError) {
 825 |                   console.warn(`${name} API method doesn't seem to support the callback parameter, ` + "falling back to call it without a callback: ", cbError);
 826 |                   target[name](...args); // Update the API method metadata, so that the next API calls will not try to
 827 |                   // use the unsupported callback anymore.
 828 |   
 829 |                   metadata.fallbackToNoCallback = false;
 830 |                   metadata.noCallback = true;
 831 |                   resolve();
 832 |                 }
 833 |               } else if (metadata.noCallback) {
 834 |                 target[name](...args);
 835 |                 resolve();
 836 |               } else {
 837 |                 target[name](...args, makeCallback({
 838 |                   resolve,
 839 |                   reject
 840 |                 }, metadata));
 841 |               }
 842 |             });
 843 |           };
 844 |         };
 845 |         /**
 846 |          * Wraps an existing method of the target object, so that calls to it are
 847 |          * intercepted by the given wrapper function. The wrapper function receives,
 848 |          * as its first argument, the original `target` object, followed by each of
 849 |          * the arguments passed to the original method.
 850 |          *
 851 |          * @param {object} target
 852 |          *        The original target object that the wrapped method belongs to.
 853 |          * @param {function} method
 854 |          *        The method being wrapped. This is used as the target of the Proxy
 855 |          *        object which is created to wrap the method.
 856 |          * @param {function} wrapper
 857 |          *        The wrapper function which is called in place of a direct invocation
 858 |          *        of the wrapped method.
 859 |          *
 860 |          * @returns {Proxy<function>}
 861 |          *        A Proxy object for the given method, which invokes the given wrapper
 862 |          *        method in its place.
 863 |          */
 864 |   
 865 |   
 866 |         const wrapMethod = (target, method, wrapper) => {
 867 |           return new Proxy(method, {
 868 |             apply(targetMethod, thisObj, args) {
 869 |               return wrapper.call(thisObj, target, ...args);
 870 |             }
 871 |   
 872 |           });
 873 |         };
 874 |   
 875 |         let hasOwnProperty = Function.call.bind(Object.prototype.hasOwnProperty);
 876 |         /**
 877 |          * Wraps an object in a Proxy which intercepts and wraps certain methods
 878 |          * based on the given `wrappers` and `metadata` objects.
 879 |          *
 880 |          * @param {object} target
 881 |          *        The target object to wrap.
 882 |          *
 883 |          * @param {object} [wrappers = {}]
 884 |          *        An object tree containing wrapper functions for special cases. Any
 885 |          *        function present in this object tree is called in place of the
 886 |          *        method in the same location in the `target` object tree. These
 887 |          *        wrapper methods are invoked as described in {@see wrapMethod}.
 888 |          *
 889 |          * @param {object} [metadata = {}]
 890 |          *        An object tree containing metadata used to automatically generate
 891 |          *        Promise-based wrapper functions for asynchronous. Any function in
 892 |          *        the `target` object tree which has a corresponding metadata object
 893 |          *        in the same location in the `metadata` tree is replaced with an
 894 |          *        automatically-generated wrapper function, as described in
 895 |          *        {@see wrapAsyncFunction}
 896 |          *
 897 |          * @returns {Proxy<object>}
 898 |          */
 899 |   
 900 |         const wrapObject = (target, wrappers = {}, metadata = {}) => {
 901 |           let cache = Object.create(null);
 902 |           let handlers = {
 903 |             has(proxyTarget, prop) {
 904 |               return prop in target || prop in cache;
 905 |             },
 906 |   
 907 |             get(proxyTarget, prop, receiver) {
 908 |               if (prop in cache) {
 909 |                 return cache[prop];
 910 |               }
 911 |   
 912 |               if (!(prop in target)) {
 913 |                 return undefined;
 914 |               }
 915 |   
 916 |               let value = target[prop];
 917 |   
 918 |               if (typeof value === "function") {
 919 |                 // This is a method on the underlying object. Check if we need to do
 920 |                 // any wrapping.
 921 |                 if (typeof wrappers[prop] === "function") {
 922 |                   // We have a special-case wrapper for this method.
 923 |                   value = wrapMethod(target, target[prop], wrappers[prop]);
 924 |                 } else if (hasOwnProperty(metadata, prop)) {
 925 |                   // This is an async method that we have metadata for. Create a
 926 |                   // Promise wrapper for it.
 927 |                   let wrapper = wrapAsyncFunction(prop, metadata[prop]);
 928 |                   value = wrapMethod(target, target[prop], wrapper);
 929 |                 } else {
 930 |                   // This is a method that we don't know or care about. Return the
 931 |                   // original method, bound to the underlying object.
 932 |                   value = value.bind(target);
 933 |                 }
 934 |               } else if (typeof value === "object" && value !== null && (hasOwnProperty(wrappers, prop) || hasOwnProperty(metadata, prop))) {
 935 |                 // This is an object that we need to do some wrapping for the children
 936 |                 // of. Create a sub-object wrapper for it with the appropriate child
 937 |                 // metadata.
 938 |                 value = wrapObject(value, wrappers[prop], metadata[prop]);
 939 |               } else if (hasOwnProperty(metadata, "*")) {
 940 |                 // Wrap all properties in * namespace.
 941 |                 value = wrapObject(value, wrappers[prop], metadata["*"]);
 942 |               } else {
 943 |                 // We don't need to do any wrapping for this property,
 944 |                 // so just forward all access to the underlying object.
 945 |                 Object.defineProperty(cache, prop, {
 946 |                   configurable: true,
 947 |                   enumerable: true,
 948 |   
 949 |                   get() {
 950 |                     return target[prop];
 951 |                   },
 952 |   
 953 |                   set(value) {
 954 |                     target[prop] = value;
 955 |                   }
 956 |   
 957 |                 });
 958 |                 return value;
 959 |               }
 960 |   
 961 |               cache[prop] = value;
 962 |               return value;
 963 |             },
 964 |   
 965 |             set(proxyTarget, prop, value, receiver) {
 966 |               if (prop in cache) {
 967 |                 cache[prop] = value;
 968 |               } else {
 969 |                 target[prop] = value;
 970 |               }
 971 |   
 972 |               return true;
 973 |             },
 974 |   
 975 |             defineProperty(proxyTarget, prop, desc) {
 976 |               return Reflect.defineProperty(cache, prop, desc);
 977 |             },
 978 |   
 979 |             deleteProperty(proxyTarget, prop) {
 980 |               return Reflect.deleteProperty(cache, prop);
 981 |             }
 982 |   
 983 |           }; // Per contract of the Proxy API, the "get" proxy handler must return the
 984 |           // original value of the target if that value is declared read-only and
 985 |           // non-configurable. For this reason, we create an object with the
 986 |           // prototype set to `target` instead of using `target` directly.
 987 |           // Otherwise we cannot return a custom object for APIs that
 988 |           // are declared read-only and non-configurable, such as `chrome.devtools`.
 989 |           //
 990 |           // The proxy handlers themselves will still use the original `target`
 991 |           // instead of the `proxyTarget`, so that the methods and properties are
 992 |           // dereferenced via the original targets.
 993 |   
 994 |           let proxyTarget = Object.create(target);
 995 |           return new Proxy(proxyTarget, handlers);
 996 |         };
 997 |         /**
 998 |          * Creates a set of wrapper functions for an event object, which handles
 999 |          * wrapping of listener functions that those messages are passed.
1000 |          *
1001 |          * A single wrapper is created for each listener function, and stored in a
1002 |          * map. Subsequent calls to `addListener`, `hasListener`, or `removeListener`
1003 |          * retrieve the original wrapper, so that  attempts to remove a
1004 |          * previously-added listener work as expected.
1005 |          *
1006 |          * @param {DefaultWeakMap<function, function>} wrapperMap
1007 |          *        A DefaultWeakMap object which will create the appropriate wrapper
1008 |          *        for a given listener function when one does not exist, and retrieve
1009 |          *        an existing one when it does.
1010 |          *
1011 |          * @returns {object}
1012 |          */
1013 |   
1014 |   
1015 |         const wrapEvent = wrapperMap => ({
1016 |           addListener(target, listener, ...args) {
1017 |             target.addListener(wrapperMap.get(listener), ...args);
1018 |           },
1019 |   
1020 |           hasListener(target, listener) {
1021 |             return target.hasListener(wrapperMap.get(listener));
1022 |           },
1023 |   
1024 |           removeListener(target, listener) {
1025 |             target.removeListener(wrapperMap.get(listener));
1026 |           }
1027 |   
1028 |         }); // Keep track if the deprecation warning has been logged at least once.
1029 |   
1030 |   
1031 |         let loggedSendResponseDeprecationWarning = false;
1032 |         const onMessageWrappers = new DefaultWeakMap(listener => {
1033 |           if (typeof listener !== "function") {
1034 |             return listener;
1035 |           }
1036 |           /**
1037 |            * Wraps a message listener function so that it may send responses based on
1038 |            * its return value, rather than by returning a sentinel value and calling a
1039 |            * callback. If the listener function returns a Promise, the response is
1040 |            * sent when the promise either resolves or rejects.
1041 |            *
1042 |            * @param {*} message
1043 |            *        The message sent by the other end of the channel.
1044 |            * @param {object} sender
1045 |            *        Details about the sender of the message.
1046 |            * @param {function(*)} sendResponse
1047 |            *        A callback which, when called with an arbitrary argument, sends
1048 |            *        that value as a response.
1049 |            * @returns {boolean}
1050 |            *        True if the wrapped listener returned a Promise, which will later
1051 |            *        yield a response. False otherwise.
1052 |            */
1053 |   
1054 |   
1055 |           return function onMessage(message, sender, sendResponse) {
1056 |             let didCallSendResponse = false;
1057 |             let wrappedSendResponse;
1058 |             let sendResponsePromise = new Promise(resolve => {
1059 |               wrappedSendResponse = function (response) {
1060 |                 if (!loggedSendResponseDeprecationWarning) {
1061 |                   console.warn(SEND_RESPONSE_DEPRECATION_WARNING, new Error().stack);
1062 |                   loggedSendResponseDeprecationWarning = true;
1063 |                 }
1064 |   
1065 |                 didCallSendResponse = true;
1066 |                 resolve(response);
1067 |               };
1068 |             });
1069 |             let result;
1070 |   
1071 |             try {
1072 |               result = listener(message, sender, wrappedSendResponse);
1073 |             } catch (err) {
1074 |               result = Promise.reject(err);
1075 |             }
1076 |   
1077 |             const isResultThenable = result !== true && isThenable(result); // If the listener didn't returned true or a Promise, or called
1078 |             // wrappedSendResponse synchronously, we can exit earlier
1079 |             // because there will be no response sent from this listener.
1080 |   
1081 |             if (result !== true && !isResultThenable && !didCallSendResponse) {
1082 |               return false;
1083 |             } // A small helper to send the message if the promise resolves
1084 |             // and an error if the promise rejects (a wrapped sendMessage has
1085 |             // to translate the message into a resolved promise or a rejected
1086 |             // promise).
1087 |   
1088 |   
1089 |             const sendPromisedResult = promise => {
1090 |               promise.then(msg => {
1091 |                 // send the message value.
1092 |                 sendResponse(msg);
1093 |               }, error => {
1094 |                 // Send a JSON representation of the error if the rejected value
1095 |                 // is an instance of error, or the object itself otherwise.
1096 |                 let message;
1097 |   
1098 |                 if (error && (error instanceof Error || typeof error.message === "string")) {
1099 |                   message = error.message;
1100 |                 } else {
1101 |                   message = "An unexpected error occurred";
1102 |                 }
1103 |   
1104 |                 sendResponse({
1105 |                   __mozWebExtensionPolyfillReject__: true,
1106 |                   message
1107 |                 });
1108 |               }).catch(err => {
1109 |                 // Print an error on the console if unable to send the response.
1110 |                 console.error("Failed to send onMessage rejected reply", err);
1111 |               });
1112 |             }; // If the listener returned a Promise, send the resolved value as a
1113 |             // result, otherwise wait the promise related to the wrappedSendResponse
1114 |             // callback to resolve and send it as a response.
1115 |   
1116 |   
1117 |             if (isResultThenable) {
1118 |               sendPromisedResult(result);
1119 |             } else {
1120 |               sendPromisedResult(sendResponsePromise);
1121 |             } // Let Chrome know that the listener is replying.
1122 |   
1123 |   
1124 |             return true;
1125 |           };
1126 |         });
1127 |   
1128 |         const wrappedSendMessageCallback = ({
1129 |           reject,
1130 |           resolve
1131 |         }, reply) => {
1132 |           if (extensionAPIs.runtime.lastError) {
1133 |             // Detect when none of the listeners replied to the sendMessage call and resolve
1134 |             // the promise to undefined as in Firefox.
1135 |             // See https://github.com/mozilla/webextension-polyfill/issues/130
1136 |             if (extensionAPIs.runtime.lastError.message === CHROME_SEND_MESSAGE_CALLBACK_NO_RESPONSE_MESSAGE) {
1137 |               resolve();
1138 |             } else {
1139 |               reject(extensionAPIs.runtime.lastError);
1140 |             }
1141 |           } else if (reply && reply.__mozWebExtensionPolyfillReject__) {
1142 |             // Convert back the JSON representation of the error into
1143 |             // an Error instance.
1144 |             reject(new Error(reply.message));
1145 |           } else {
1146 |             resolve(reply);
1147 |           }
1148 |         };
1149 |   
1150 |         const wrappedSendMessage = (name, metadata, apiNamespaceObj, ...args) => {
1151 |           if (args.length < metadata.minArgs) {
1152 |             throw new Error(`Expected at least ${metadata.minArgs} ${pluralizeArguments(metadata.minArgs)} for ${name}(), got ${args.length}`);
1153 |           }
1154 |   
1155 |           if (args.length > metadata.maxArgs) {
1156 |             throw new Error(`Expected at most ${metadata.maxArgs} ${pluralizeArguments(metadata.maxArgs)} for ${name}(), got ${args.length}`);
1157 |           }
1158 |   
1159 |           return new Promise((resolve, reject) => {
1160 |             const wrappedCb = wrappedSendMessageCallback.bind(null, {
1161 |               resolve,
1162 |               reject
1163 |             });
1164 |             args.push(wrappedCb);
1165 |             apiNamespaceObj.sendMessage(...args);
1166 |           });
1167 |         };
1168 |   
1169 |         const staticWrappers = {
1170 |           runtime: {
1171 |             onMessage: wrapEvent(onMessageWrappers),
1172 |             onMessageExternal: wrapEvent(onMessageWrappers),
1173 |             sendMessage: wrappedSendMessage.bind(null, "sendMessage", {
1174 |               minArgs: 1,
1175 |               maxArgs: 3
1176 |             })
1177 |           },
1178 |           tabs: {
1179 |             sendMessage: wrappedSendMessage.bind(null, "sendMessage", {
1180 |               minArgs: 2,
1181 |               maxArgs: 3
1182 |             })
1183 |           }
1184 |         };
1185 |         const settingMetadata = {
1186 |           clear: {
1187 |             minArgs: 1,
1188 |             maxArgs: 1
1189 |           },
1190 |           get: {
1191 |             minArgs: 1,
1192 |             maxArgs: 1
1193 |           },
1194 |           set: {
1195 |             minArgs: 1,
1196 |             maxArgs: 1
1197 |           }
1198 |         };
1199 |         apiMetadata.privacy = {
1200 |           network: {
1201 |             "*": settingMetadata
1202 |           },
1203 |           services: {
1204 |             "*": settingMetadata
1205 |           },
1206 |           websites: {
1207 |             "*": settingMetadata
1208 |           }
1209 |         };
1210 |         return wrapObject(extensionAPIs, staticWrappers, apiMetadata);
1211 |       };
1212 |   
1213 |       if (typeof chrome != "object" || !chrome || !chrome.runtime || !chrome.runtime.id) {
1214 |         throw new Error("This script should only be loaded in a browser extension.");
1215 |       } // The build process adds a UMD wrapper around this file, which makes the
1216 |       // `module` variable available.
1217 |   
1218 |   
1219 |       module.exports = wrapAPIs(chrome);
1220 |     } else {
1221 |       module.exports = browser;
1222 |     }
1223 |   });


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